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Rockford Fosgate power t1500-1bd no output Help
Rockford Fosgate power t1500-1bd no output Help
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Old 15th July 2019, 01:25 PM   #11
rhempz01 is offline rhempz01  United States
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None are over 93F
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Old 15th July 2019, 01:48 PM   #12
Perry Babin is offline Perry Babin  United States
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Do you have any component or 'canned air'?
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Old 15th July 2019, 03:06 PM   #13
rhempz01 is offline rhempz01  United States
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Have some on the way. I just noticed that a single power supply mosfet is heating up q1000, drive signal lokks perfect?
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Old 21st July 2019, 01:44 PM   #14
rhempz01 is offline rhempz01  United States
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Old 21st July 2019, 10:56 PM   #15
rhempz01 is offline rhempz01  United States
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sorry the last post was not for this thread. So as far as the power supply fets heating up. That would be a drive fault correct?

I have the compressed air now as well.
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Old 22nd July 2019, 01:56 AM   #16
Perry Babin is offline Perry Babin  United States
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Assuming that you replaced or at least checked the gate resistors, I'd say that a single PS FET heating is due to a lower turn-on threshold. You could swap positions with another FET to see if the heating follows the FET.

If you invert the canned air and spray the components on the driver board, they will freeze and frost over. When the ones you sprayed are white, power it up to see which defrost more quickly than others This will sometimes lead you to a defective IC.
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